The standard McElroy Sidewinder fusion machines are designed to saddle fuse branches, tapping tees, and service fittings onto mains with diameters ranging from 1 ¼" to 4" IPS. Two configurations are available: jaw clamping and chain clamping. For mains larger than 4" IPS, a chain extension kit can be added to the chain clamping models. Both Sidewinder configurations are compatible with DataLogger for documenting the fusion process.